Gecko [ unitednationsplay.com ]

Name	Size	Permission	Date
dom	[ DIR ]	drwxrwxr-x	2022-08-30 11:49
ArrayLikeObservable.ts	1.89 KB	-rw-rw-r--	2022-08-30 11:49
ArrayObservable.ts	4.29 KB	-rw-rw-r--	2022-08-30 11:49
BoundCallbackObservable.ts	14.32 KB	-rw-rw-r--	2022-08-30 11:49
BoundNodeCallbackObservable.ts	12.27 KB	-rw-rw-r--	2022-08-30 11:49
ConnectableObservable.ts	5.58 KB	-rw-rw-r--	2022-08-30 11:49
DeferObservable.ts	3.3 KB	-rw-rw-r--	2022-08-30 11:49
EmptyObservable.ts	2.51 KB	-rw-rw-r--	2022-08-30 11:49
ErrorObservable.ts	2.61 KB	-rw-rw-r--	2022-08-30 11:49
ForkJoinObservable.ts	10.66 KB	-rw-rw-r--	2022-08-30 11:49
FromEventObservable.ts	10.89 KB	-rw-rw-r--	2022-08-30 11:49
FromEventPatternObservable.ts	3.71 KB	-rw-rw-r--	2022-08-30 11:49
FromObservable.ts	4.34 KB	-rw-rw-r--	2022-08-30 11:49
GenerateObservable.ts	9.73 KB	-rw-rw-r--	2022-08-30 11:49
IfObservable.ts	1.84 KB	-rw-rw-r--	2022-08-30 11:49
IntervalObservable.ts	2.67 KB	-rw-rw-r--	2022-08-30 11:49
IteratorObservable.ts	3.69 KB	-rw-rw-r--	2022-08-30 11:49
NeverObservable.ts	1.6 KB	-rw-rw-r--	2022-08-30 11:49
PairsObservable.ts	2.63 KB	-rw-rw-r--	2022-08-30 11:49
PromiseObservable.ts	3.87 KB	-rw-rw-r--	2022-08-30 11:49
RangeObservable.ts	2.87 KB	-rw-rw-r--	2022-08-30 11:49
ScalarObservable.ts	1.32 KB	-rw-rw-r--	2022-08-30 11:49
SubscribeOnObservable.ts	1.51 KB	-rw-rw-r--	2022-08-30 11:49
TimerObservable.ts	3.8 KB	-rw-rw-r--	2022-08-30 11:49
UsingObservable.ts	1.88 KB	-rw-rw-r--	2022-08-30 11:49
bindCallback.ts	131 B	-rw-rw-r--	2022-08-30 11:49
bindNodeCallback.ts	147 B	-rw-rw-r--	2022-08-30 11:49
combineLatest.ts	9.79 KB	-rw-rw-r--	2022-08-30 11:49
concat.ts	6.04 KB	-rw-rw-r--	2022-08-30 11:49
defer.ts	100 B	-rw-rw-r--	2022-08-30 11:49
empty.ts	100 B	-rw-rw-r--	2022-08-30 11:49
forkJoin.ts	112 B	-rw-rw-r--	2022-08-30 11:49
from.ts	96 B	-rw-rw-r--	2022-08-30 11:49
fromEvent.ts	116 B	-rw-rw-r--	2022-08-30 11:49
fromEventPattern.ts	144 B	-rw-rw-r--	2022-08-30 11:49
fromPromise.ts	112 B	-rw-rw-r--	2022-08-30 11:49
generate.ts	111 B	-rw-rw-r--	2022-08-30 11:49
if.ts	89 B	-rw-rw-r--	2022-08-30 11:49
interval.ts	112 B	-rw-rw-r--	2022-08-30 11:49
merge.ts	6.14 KB	-rw-rw-r--	2022-08-30 11:49
never.ts	100 B	-rw-rw-r--	2022-08-30 11:49
of.ts	93 B	-rw-rw-r--	2022-08-30 11:49
onErrorResumeNext.ts	133 B	-rw-rw-r--	2022-08-30 11:49
pairs.ts	102 B	-rw-rw-r--	2022-08-30 11:49
race.ts	3.17 KB	-rw-rw-r--	2022-08-30 11:49
range.ts	100 B	-rw-rw-r--	2022-08-30 11:49
throw.ts	101 B	-rw-rw-r--	2022-08-30 11:49
timer.ts	100 B	-rw-rw-r--	2022-08-30 11:49
using.ts	100 B	-rw-rw-r--	2022-08-30 11:49
zip.ts	79 B	-rw-rw-r--	2022-08-30 11:49

Rename

import { Observable, SubscribableOrPromise } from '../Observable';
import { Subscriber } from '../Subscriber';
import { AnonymousSubscription, TeardownLogic } from '../Subscription';

import { subscribeToResult } from '../util/subscribeToResult';
import { OuterSubscriber } from '../OuterSubscriber';
/**
 * We need this JSDoc comment for affecting ESDoc.
 * @extends {Ignored}
 * @hide true
 */
export class UsingObservable<T> extends Observable<T> {

static create<T>(resourceFactory: () => AnonymousSubscription | void,
                   observableFactory: (resource: AnonymousSubscription) => SubscribableOrPromise<T> | void): Observable<T> {
    return new UsingObservable<T>(resourceFactory, observableFactory);
  }

constructor(private resourceFactory: () => AnonymousSubscription | void,
              private observableFactory: (resource: AnonymousSubscription) => SubscribableOrPromise<T> | void) {
    super();
  }

/** @deprecated internal use only */ _subscribe(subscriber: Subscriber<T>): TeardownLogic {
    const { resourceFactory, observableFactory } = this;

let resource: AnonymousSubscription;

try {
      resource = <AnonymousSubscription>resourceFactory();
      return new UsingSubscriber(subscriber, resource, observableFactory);
    } catch (err) {
      subscriber.error(err);
    }
  }
}

class UsingSubscriber<T> extends OuterSubscriber<T, T> {
  constructor(destination: Subscriber<T>,
              private resource: AnonymousSubscription,
              private observableFactory: (resource: AnonymousSubscription) => SubscribableOrPromise<T> | void) {
    super(destination);
    destination.add(resource);
    this.tryUse();
  }

private tryUse(): void {
    try {
      const source = this.observableFactory.call(this, this.resource);
      if (source) {
        this.add(subscribeToResult(this, source));
      }
    } catch (err) {
      this._error(err);
    }
  }
}